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Copyright 2005, Board of Trustees, University
Time to spray
Mid-winter, any time
before bud swell
SPRAY PROGRAM FOR FLORIDA DOORYARD GRAPES
SJohn A. "ortensen
S1 n n T rr-1 rI n
Spray material 't'a Ui d __9 J. ares
f ~ 2 _- _- ^c
1/5 int +
Basic copper suifiaut -tem '.
Fungus or insect
Liquid lime-sulfur _.. -- -
j~i~m -i^ - ---- r, ^. ^ \ ^blac i>~+ +. p -u c
Bearing vines: when new
shoots begin growing;
repeat every 10 days
thereafter until berries
are 1/2 inch in diameter;
after harvest, spray
every 30 days until
Non bearing vines:
apply monthly during
Maneb with zinc
active grow h.
Mix with the above fungi-} (Insecticides) 4
cide application (except Malathion 50-57% EC 2 tsp. 1/2 3 (aphids (Malathion only
during flowering) when or Malathion 25% Wp5 4 TBS. 1 3 caterpillars
insect damage appears; or Sevin 50% WP 2 TBS. 1 0 < leafhopoers
otherwise omit or Sevin 80% WP 4 tsp. 1 0 flea beetles *(blue)
insecticide .. or Sevin 23-25% flowable 4 tsp. 1 0 fruit beetles, wasps
Any time powdery mildew (Fungicide)
appears, except within Karathane 25% WP 1 tso. 1 21 powdery mildew
3 weeks of harvest
Any time ants are (Insecticide) Apply as a drench to
damaging the grape Chlordane 44% EC 2 tsp. 0 ant beds, not plants,
foliage to control ants.
1 This is the recommended minimum number of days between last'application of the
2 For bunch grapes only; omit for muscadines.
3 Manzate D, Dithane M22 Special, or similar products where maneb and zinc
mechanically or chemically mixed.
EC = emulsifiable concentrate.
5 WP = wettable powder.
Note: TBS = tablespoon: tsp = teaspoon
Mimeo Report WGL 71-1, Watermelon and Grape Investigations Laboratory, Lee:
Desticide and harvest.
urg, July 8, 1970
19 .v.f t
f -1 _-.? 1